Ensure a seamless and efficient car battery replacement process with this advanced Car On-Board Diagnostics Tester, designed to maintain your vehicle’s electronic system data and prevent power loss during battery changes. Crafted from durable PC and PVC materials, this diagnostic tool features a dual digital display for real-time voltage and current monitoring, advanced protection functions, and easy connection to your vehicle's onboard diagnostics port. Perfectly suited for 12V battery vehicles, this device safeguards your vehicle’s ECU and electronic components, eliminating the need for resetting and ensuring uninterrupted functionality. Key Features: · Dual Digital Display: Features two clear digital screens showing battery voltage and current simultaneously, allowing precise monitoring throughout the battery replacement process. · Dual LED Indicators: Red light confirms a stable connection to the storage battery with voltage displayed, while the blue light indicates real-time current output when connected to the vehicle’s onboard diagnostics. · ECU Data Memory Protection: Provides continuous power supply to the vehicle’s Electronic Control Unit (ECU) during battery replacement, preventing data loss and avoiding the need to reset electronic devices such as digital clocks, memory seats, stereo systems, and antiskid controls. · Easy On-Board Diagnostics Connector: Simple plug-in design connects to the vehicle’s diagnostics port; just follow regular battery replacement steps without worrying about disrupting the vehicle’s electronic systems. · High-Quality Battery Clamps: Equipped with nickel-plated iron clamps and coarse copper wiring for superior anti-corrosion and oxidation resistance, providing strong insulation and secure grip to ensure safe and efficient connection without the need for additional wiring. · Safety and Compatibility: Supports reverse connection and wrong connection protection, with a maximum current rating of 5A, specifically designed for 12V battery vehicles, safeguarding both the tool and vehicle electronics. Specifications: · Material: PC + PVC · Max Current: 5A · Working Temperature: -10℃ to 50℃ · Error Margin: Approx. ±2% · Cable Length: 1.35m · Package Size: 170 x 105 x 45mm (6.69 x 4.13 x 1.77 inches) · Package Weight: 180g (6.35 ounces) Package Includes: · 1 x Car On-Board Diagnostics Tester This Car On-Board Diagnostics Tester is an essential accessory for automotive maintenance, ensuring that your vehicle’s electronic data remains intact and functional during battery replacements. Its robust construction, user-friendly interface, and reliable protection features make it an indispensable tool for mechanics and car owners seeking convenience, safety, and efficiency.